Home / 3,261.94-4,888.33-1,781.15

Finding the Fourth Proportional to 3,261.94, 4,888.33 and 1,781.15

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Solution

The fourth proportional to 3,261.94, 4,888.33 and 1,781.15 is: 2,669.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.94 : 4,888.33 = 1,781.15 : x
  2. Step 2: Convert to fraction form
    3,261.94/4,888.33 = 1,781.15/x
  3. Step 3: Cross multiply
    3,261.94x = 4,888.33 × 1,781.15
  4. Step 4: Simplify right side
    3,261.94x = 8,706,848.98
  5. Step 5: Solve for x
    x = 8,706,848.98/3,261.94
  6. Step 6: Final answer
    x = 2,669.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.